Table of Contents
Advertisement
C
B
12
D
157
158
B
159
Workshop Manual KD 441_cod. 1.5302.865_2
Injection pump components and disassembly
1
1 Delivery union
2 Filler
3 Spring
2
4 Gasket
3
5 Delivery valve
6 Gasket
4
7 Spring retainer
5
8 Spring
6
9 Sleeve
10 Rack
11 Piston (pumping element)
12 Pin
A
A
B
12
C
D
10
E
9
Demount in compliance with the numeric order.
8
Plate 9 is held firm by pins 12. Lever up by inserting a tool between
the plate and the body of the pump.
The volume shifted by delivery valve 5 is 21 mm
E
11
7
Injection pump, body, plunger and delivery valve
Components:
1
2
3
4
5
6
B
C
Dimensions mm:
A = 7.00 (nominal diam.)
B = 2.00÷ 2.03
C = 1.50÷1.53
Injection pump refitting
The plunger is fitted with helix E facing towards the outlet union A;
A
if it is mistakenly fitted with the helix facing the intake coupling B the
injection pump no longer operates (there is no danger of engine ru-
naway); complete refitting following fig. 136.
E
nd
ed_ rev. 01.
Fuel exhaust union screw with non-return valve
Fuel inlet union screw
Fastening
Plunger barrel (in the injection pump case)
RH helix
Collar
Barrel
Piston (or pumping element)
Right helix
Delay notch
Pump body
Inlet hole
Exhaust hole
8
Fuel system
3.
- 65 -
Advertisement
Table of Contents
